Paper Information

Title: 

THE COMPARISON OF OAE (DPOAE & TEOAE) AMPLITUDE BETWEEN BEFORE AND AFTER OF ABR ASSESSMENT

Type: PAPER
Author(s): JAFARI MEYMANEH*,NILFOROUSH M.S.,SEPEHRNEJAD M.
 
 *
 
Name of Seminar: INTERNATIONAL CONNGRESS OF IRANIAN SOCIETY OF OTOLARYNGYOLOGY / HEAD AND NECK SURGERY
Type of Seminar:  CONGRESS
Sponsor: 
Date:  2010Volume 1
 
 
Abstract: 

EVOKED OTOACOUSTIC EMISSIONS (OAES) ARE SOUNDS GENERATED WITHIN THE INNER EAR IN RESPONSE TO STIMULI. OAES PROVIDE A SENSITIVE MEASURE OF THE FUNCTIONAL INTEGRITY OF THE OUTER HAIR CELL (OHC). OAES AND ABR ARE USED IN HEARING ASSESSMENTS OF YOUNG CHILDREN AND ADULTS AND HAVE AN IMPORTANT ROLE IN THE DIAGNOSIS OF HEARING LOSS. THE PURPOSE OF THIS STUDY WAS INVESTIGATING THE ORDER OF CARRYING OUT OF AUDITORY TESTS. FIFTEEN CHILDREN ENROLLED IN THIS STUDY WITH A MEAN AGE OF ABOUT 2.53±0.42 YEARS OLD. AT FIRST, OAE ASSESSMENTS (DPOAE AND TEOAE) WERE PERFPRMED; THEN, ABR ASSESSMENT AND FINALLY THE OAE MEASUREMENTS WERE REPEATED. THE RESULTS SHOW THE AMPLITUDE OF OAES WAS TEMPORALLY DECREASED AFTER ABR MEASUREMENTS. A PRACTICAL OUTCOME OF THIS STUDY IS A RECOMMENDATION FOR THE REVERSAL OF THE TRADITIONAL ORDER FOR CARRYING OUT AUDITORY TESTS, WITH THE OAES MEASUREMENTS PRECEDING THE ABR ASSESSMENT, THUS ENSURING THAT THE OAES RESPONSES ARE UNAFFECTED.

 
Keyword(s): DPOAE, TEOAE, ABR, AMPLITUDE, ORDER OF TESTS
 
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